Apply joint compound over the tape with a drywall knife.
Join drywall and concrete wall.
At some point along the wall the cement backer board will meet with the drywall used in the rest of the room.
A four foot tall concrete wall runs along the parts of the garage that are below grade.
How to drywall over concrete with a vapor barrier.
Cement board is much heavier and harder to work with than drywall but it is almost completely waterproof.
Covering this gap isn t a difficult process.
Leave a 1 4 inch gap between the greenboard and the cement board during installation.
Likewise concrete transfers.
Cement board is also used in the walls of showers and bath surrounds where there s going to be a lot of moisture.
This joint needs to be flush and smooth in order for the tile or other wall covering to be installed correctly and to create a professional finished appearance.
When the ceiling changes height across the length of a wall a gap between wall and ceiling can result.
Drive three concrete nails spaced at even intervals through each side of each hat channel.
What can i do to transition between the drywall and the cement.
Mix the thin set mortar.
Load up a small amount of joint compound onto the drywall knife.
Smooth the compound over the tape in a very thin layer.
Placing drywall often means dealing with walls and ceilings that aren t exactly plumb in all areas.
Extend the compound out from the tape on either side by about 1 2 inch on each side.
There is a 1 2 inch ledge so the drywall will be flush with the concrete.
The wood is anchored to the concrete and separated with a sill gasket.
Use concrete nails and a concrete nail gun to attach the hat channels to the wall after drawing a plumb line to make sure you ve spaced the hat channels properly for the size of drywall and insulation you re using.
Hold the knife at a 45 degree angle to the wall.
During a drywall installation contractors affix large sheets of gypsum board to the wall s framing tape the seams between boards and then cover the tape with joint compound.
Above the concrete walls are 2x6 wood framed walls.
Think of it like a large wick in an oil lamp or a semipermeable cell membrane that allows the transport of water.